Tenergy Li-Ion 18650 Cylindrical 3.7V 2200mAh Button Top Rechargeable Battery w/ PCB

Note: This Button Top Version is most suitable for Flashlights that uses 2 Cylindrical 18650 Li-Ion Cells.

Features and Benefits

• Unique and New! With PCB protection!
• Button-Top cell: Iideal for many flashlight
• Li-Ion 18650 cylindrical rechargeable batteries with Internal Voltage protection PCB!
• Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.325V.
• Unique PCB design and patent pending.
• 3.7V 2200mAh high capacity
• High energy density and lower weight than other rechargeable batteries
• Manufactured under ISO9001-2000 to assure quality
• Battery tested based on International Electrotechnical Commission (IEC) standard to ensure capacity, quality and life time   
  
  

Applications

• Perfect for Olight M30, M31, M21, and M20S
• Lighting or other device that needs 3.7V power
• Building portable power device needing high energy density and low weight

Product Specifications

• Nominal Capacity*: 2200 mAh
• Internal PCB protection prevents under-voltage at 2.5V and over-voltage at 4.25V.  UNIQUE INTERNAL PCB!
• Dimensions:
  Diameter 18+/-0.2 mm
  Height:66+/- 0.2mm
• Weight (Typical) Approx. 46g
• Nominal Voltage: 3.7V
• Cut-off Voltage: 3.0V
• Internal Impedance: ≤ 150 mΩ (with PTC)
• Cycle Performance: 90% of initial capacity at 400 cycles
• Cycle life: > 500 cycles
• Charge:
• Current: 0.5C
• Voltage = 4.2V
• End Current =0.01C
• Discharge:
• Current: 0.5C
• End Voltage: 3.0V
• Max. Charging current: 1C
• Max. Discharging current 1C

Warning

• CAUTION: when working with Li-ion cells, they are very sensitive to charging characteristics and may explode if mis-handled.
• User should have enough knowledge on Li-Ion rechargeable batteries in charging, discharging,and assembly before use.
• Put the batteries in fire-proof container
• Do not put batteries on wood surface or carpet when charging
• Never leave battery un-attended when charging
• We are not resopnsible for damage if there is any modification of the batteries in form, shape,or when made into packs
• We are not responsible for any damage caused by misuse or mishandling of these Li-Ion batteries